GHSA-c597-f74m-jgc2

ghsaUSosv

Improper Certificate Validation and Improper Validation of Certificate with Host Mismatch in Keycloak

view advisory published 2022-02-09Licence: CC-BY-4.0

A flaw was found in Keycloak in versions before 10.0.0, where it does not perform the TLS hostname verification while sending emails using the SMTP server. This flaw allows an attacker to perform a man-in-the-middle (MITM) attack.

describes (1)

Related CVEs.

ID	severity	EPSS	exploitable	published
CVE-2020-1758US	medium5.9	0.93% (60th)	—	2020-05-15
A flaw was found in Keycloak in versions before 10.0.0, where it does not perform the TLS hostname verification while sending emails using the SMTP server. This flaw allows an atta…

references

External citations — patches, advisories, analysis.

https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2020-1758WEB
https://issues.redhat.com/browse/KEYCLOAK-13285WEB
https://nvd.nist.gov/vuln/detail/CVE-2020-1758ADVISORY

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